.upload_toast{
    width: 960px;
    height: 560px;
    /*left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;*/
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    background: #FFFFFF;
    border: 0 solid #C7C7C7;
    box-shadow: 0 0 15px 0 rgba(210,210,210,0.50);
    border-radius: 4px;
    position: fixed;
    z-index: 100
}
.upload_title{
    border: 0 solid #C7C7C7;
    border-radius: 4px 4px 0 0;
    font-family: PingFang-SC-Semibold;
    height: 80px;
    font-size: 22px;
    color: #333333;
    display: flex;
    align-items: center;
    justify-content: center;
}
.upload_video{
  width: 279px;
  height: 174px;
  margin-top: 42px;
  margin-left: 337px;
  position: relative;
  background: #EEEEEE;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#placehold{
    width: 64px;
    height: 64px;
}
#fileinput{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}
#filename{
   background: #F6F6F6;
    border: 1px solid #E5E5E5;
    border-radius: 4px;
    width: 814px;
    height: 56px;
    margin-top: 29px;
    margin-left: 72px;
    margin-bottom: 67px;
}
#btn{
    background: #48AE28;
    border-radius: 4px; 
    font-family: PingFang-SC-Regular;
    font-size: 22px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 288px;
    height: 58px;
    margin-left: 336px;
    cursor: pointer;
}
.progress{
    position: absolute;
    z-index: 1000;
    height: 6px;
    background: #48AE28;
    top: 99px;
}
.isdone{
    opacity: 0;
    position: absolute;
    top: 0;
}
.mask{
        width: 100%;
    height: 100%;
    position: fixed;
    background: gray;
    z-index: 3;
    left: 0;
    top: 0;
    opacity: 0.3;
}